1. AgentSPAM. (2012). Spam & Virus Filtering. .
2. Allman, E., Callas, J., Delany, M., Libbey, M., Fenton, J., & Thomas, M. (2007). RFC-4871: DomainKeys Identified Mail Signatures. .
3. Androutsopoulos, I., Koutsias, J., Chandrinos, K. V., Ch, K. V., Paliouras, G., & Spyropoulos, C. D. (2000). An evaluation of Naive Bayesian anti-spam filtering. In Proceedings of the workshop on Machine Learning in the New Information Age, 11th European Conference on Machine Learning (pp. 9–17).
4. Anti-spam multiobjective genetic algorithms optimization analysis;Basto-Fernandes;International Resource Management Journal,2012
5. Multiple criteria decision analysis: An integrated approach;Belton,2002